Agender - but liking masculine associations?

In primary school I felt a lot more pressured to align with gender expectations but once I got to high school I was just me, and since then people have made loads of references to me "practically being a dude".Like, I'm repeatedly called "a guy with tits" (the guy I was crushing on at the time said this twice, it was before I realised my gender and I thought I should find it uncomfortable and worrying but I didn't), my tutor was talking about how boys and girls study differently and I was looking awkward so he said "you're a boy aren't you?", I have hairy arms and (until someone commented on them) I thought I had masculine hands and I kind of find them reassuring. There are more, but these things all make me feel a little relieved. I think I just like the fact that because everyone assumes I'm a girl that when they mention or I see boyish things in me, I'm like; yeah, that's right you question that. Later (after they've happened) I do find these things uncomfortable.

I know there can be a lot of doubt with being trans and what I like most about this stuff is that it means people aren't seeing me as female, not that I'm being seen as male. But I just wanted other opinions, does this sound like I might not be agender to you? I'm particularly worried about this before I come out.